database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

sql_select.cc:

Browse Source 
if many plans have identical cost, which one will be used depends on how compiler optimizes floating-point calculations
  this fix adds repeatability to the optimizer


sql/sql_select.cc:
  if many plans have identical cost, which one will be used depends on how compiler optimizes floating-point calculations
  this fix adds repeatability to the optimizer
This commit is contained in:
unknown
2004-07-17 16:15:32 +02:00
parent df94015604
commit 851154ee30
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sql/sql_select.cc
View File

@ -3614,7 +3614,7 @@ best_extension_by_limited_search(JOIN *join,
{ {
memcpy((gptr) join->best_positions, (gptr) join->positions, memcpy((gptr) join->best_positions, (gptr) join->positions,
sizeof(POSITION) * (idx + 1)); sizeof(POSITION) * (idx + 1));
join->best_read= current_read_time; join->best_read= current_read_time - 0.001;
} }
DBUG_EXECUTE("opt", DBUG_EXECUTE("opt",
print_plan(join, current_read_time, current_record_count, idx, "full_plan");); print_plan(join, current_read_time, current_record_count, idx, "full_plan"););